Summary of Significant Accounting Policies (Tables)

9 Months Ended

Mar. 31, 2020

Accounting Policies [Abstract]

Summary of Accounts Receivable

	March 31, 2020			June 30, 2019
	(in thousands)
Accounts receivable	$	744		$	850
Allowance for doubtful accounts		(1	)		(20	)
Total accounts receivable, net	$	743		$	830

Anti-dilutive securities

	March 31,
	2020		2019
Common stock options – 2009 Plan		—		200,000
Common stock options – 2015 Plan		4,000,000		4,050,000
Convertible preferred stock		4,300,000		4,300,000
Total		8,300,000		8,550,000